Which of the following options do not represent like terms? Select all that apply.
A. a 2 and 2a
B.2x and 7y
C.9x 2 and 5x
D.8 and 107

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

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The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample